: an action or instance of filling up something (such as a gas tank)

Examples of fill-up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Road trippers should also plan fill-ups around cheaper gas stops instead of randomly pulling off the highway when the fuel light illuminates. Doug Turnbull, AJC.com, 29 Mar. 2026 Those points from everyday grocery runs and gas fill-ups can add up fast. Lauren Schuster, Fort Worth Star-Telegram, 26 Mar. 2026 This discount can be applied to your next fill-up within 30 days, up to a maximum of 40 gallons or $99, whichever comes first. Ryley Amond, CNBC, 26 Mar. 2026 No more steak-knife sets with five-gallon fill-ups. Patt Morrison, Los Angeles Times, 18 Mar. 2026 See All Example Sentences for fill-up

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of fill-up was in 1853

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Cite this Entry

“Fill-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fill-up. Accessed 2 Apr. 2026.

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